JP7324239B2 - チップ型ヒューズ - Google Patents
チップ型ヒューズ Download PDFInfo
- Publication number
- JP7324239B2 JP7324239B2 JP2021024211A JP2021024211A JP7324239B2 JP 7324239 B2 JP7324239 B2 JP 7324239B2 JP 2021024211 A JP2021024211 A JP 2021024211A JP 2021024211 A JP2021024211 A JP 2021024211A JP 7324239 B2 JP7324239 B2 JP 7324239B2
- Authority
- JP
- Japan
- Prior art keywords
- case
- internal electrodes
- straight line
- chip
- exposed
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H85/00—Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive
- H01H85/02—Details
- H01H85/04—Fuses, i.e. expendable parts of the protective device, e.g. cartridges
- H01H85/041—Fuses, i.e. expendable parts of the protective device, e.g. cartridges characterised by the type
- H01H85/046—Fuses formed as printed circuits
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/52—Arrangements for conducting electric current within the device in operation from one component to another, i.e. interconnections, e.g. wires, lead frames
- H01L23/522—Arrangements for conducting electric current within the device in operation from one component to another, i.e. interconnections, e.g. wires, lead frames including external interconnections consisting of a multilayer structure of conductive and insulating layers inseparably formed on the semiconductor body
- H01L23/525—Arrangements for conducting electric current within the device in operation from one component to another, i.e. interconnections, e.g. wires, lead frames including external interconnections consisting of a multilayer structure of conductive and insulating layers inseparably formed on the semiconductor body with adaptable interconnections
- H01L23/5256—Arrangements for conducting electric current within the device in operation from one component to another, i.e. interconnections, e.g. wires, lead frames including external interconnections consisting of a multilayer structure of conductive and insulating layers inseparably formed on the semiconductor body with adaptable interconnections comprising fuses, i.e. connections having their state changed from conductive to non-conductive
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H85/00—Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive
- H01H85/02—Details
- H01H85/04—Fuses, i.e. expendable parts of the protective device, e.g. cartridges
- H01H85/041—Fuses, i.e. expendable parts of the protective device, e.g. cartridges characterised by the type
- H01H85/0411—Miniature fuses
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H85/00—Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive
- H01H85/02—Details
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H85/00—Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive
- H01H85/02—Details
- H01H85/04—Fuses, i.e. expendable parts of the protective device, e.g. cartridges
- H01H85/05—Component parts thereof
- H01H85/055—Fusible members
- H01H85/08—Fusible members characterised by the shape or form of the fusible member
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H85/00—Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive
- H01H85/02—Details
- H01H85/04—Fuses, i.e. expendable parts of the protective device, e.g. cartridges
- H01H85/05—Component parts thereof
- H01H85/143—Electrical contacts; Fastening fusible members to such contacts
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H85/00—Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive
- H01H85/02—Details
- H01H85/04—Fuses, i.e. expendable parts of the protective device, e.g. cartridges
- H01H85/05—Component parts thereof
- H01H85/165—Casings
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H85/00—Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive
- H01H85/02—Details
- H01H85/22—Intermediate or auxiliary parts for carrying, holding, or retaining fuse, co-operating with base or fixed holder, and removable therefrom for renewing the fuse
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H85/00—Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive
- H01H85/02—Details
- H01H85/04—Fuses, i.e. expendable parts of the protective device, e.g. cartridges
- H01H85/041—Fuses, i.e. expendable parts of the protective device, e.g. cartridges characterised by the type
- H01H85/0411—Miniature fuses
- H01H2085/0412—Miniature fuses specially adapted for being mounted on a printed circuit board
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H85/00—Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive
- H01H85/02—Details
- H01H85/04—Fuses, i.e. expendable parts of the protective device, e.g. cartridges
- H01H85/041—Fuses, i.e. expendable parts of the protective device, e.g. cartridges characterised by the type
- H01H85/0411—Miniature fuses
- H01H2085/0414—Surface mounted fuses
Landscapes
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Fuses (AREA)
Description
26 可溶体
28 30 内部電極
32 可溶部
38 40 突出部
Claims (3)
- 1つの直線の両端からそれぞれ前記直線の中央側に向いて内部電極を配置し、これら内部電極の間に前記内部電極と一体に形成され、前記内部電極よりも細い可溶部を有する板状の可溶体と、
前記可溶体を内部に収容し、前記内部電極の前記直線の両端に位置する前記可溶体の部分が露出しているケースと、
前記ケースにおける前記内部電極の露出部分にこれら露出部分を覆うようにそれぞれ形成されている導電層とを、
有し、前記露出部分から外方に突出している突出部が前記露出部分に一体に形成され、前記突出部は、前記導電層に覆われ、
前記ケースは、前記直線と交差し前記直線の両端側に開口した凹面を備えた凹部を前記直線の両端に有し、前記凹面に前記導電層が形成され、前記凹面から前記突出部が前記凹部内に突出し
前記内部電極は、前記凹部内に少なくとも一部が位置する窪み面を有し、前記凹部内に位置する窪み面と前記凹面との間に前記突出部があるチップ型ヒューズ。 - 請求項1記載のチップ型ヒューズにおいて、前記凹面の開口の一方の端から他方の端までの領域から前記凹部内に前記突出部が突出しているチップ型ヒューズ。
- 1つの直線の両端からそれぞれ前記直線の中央側に向いて内部電極を配置し、これら内部電極の間に前記内部電極と一体に形成され、前記内部電極よりも細い可溶部を有する板状の可溶体と、
前記可溶体を内部に収容し、前記内部電極の前記直線の両端に位置する前記可溶体の部分が露出しているケースと、
前記ケースにおける前記内部電極の露出部分にこれら露出部分を覆うようにそれぞれ形成されている導電層とを、
有し、前記露出部分に、前記露出部分から外方に突出している突出部が一体に形成され、前記突出部は、前記導電層に覆われ、
前記ケースは、同一形状で互いに間隔をおいて平行に位置する第1及び第2の平面を有し、第1及び第2の平面の周縁を包囲する周面を有し、
前記突出部は、前記周面に突出し
前記ケースは、前記直線の両端から前記ケースの内側に窪んだ凹面を有し、この凹面は前記第1及び第2の平面間に存在し、前記内部電極は、前記ケース内において、前記第1及び第2の平面間の方向から見た前記凹面の全域から前記突出部が突出し、前記凹面の面全域に前記導電層が形成されているチップ型ヒューズ。
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2021024211A JP7324239B2 (ja) | 2021-02-18 | 2021-02-18 | チップ型ヒューズ |
US17/648,232 US20220262729A1 (en) | 2021-02-18 | 2022-01-18 | Chip-type Fuse |
TW111102373A TWI793983B (zh) | 2021-02-18 | 2022-01-20 | 晶片型保險絲 |
KR1020220011910A KR20220118308A (ko) | 2021-02-18 | 2022-01-27 | 칩형 퓨즈 |
DE102022102325.7A DE102022102325A1 (de) | 2021-02-18 | 2022-02-01 | Chip-Typ-Sicherung |
CN202210143817.9A CN114975031A (zh) | 2021-02-18 | 2022-02-17 | 芯片型保险丝 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2021024211A JP7324239B2 (ja) | 2021-02-18 | 2021-02-18 | チップ型ヒューズ |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2022126249A JP2022126249A (ja) | 2022-08-30 |
JP7324239B2 true JP7324239B2 (ja) | 2023-08-09 |
Family
ID=82610477
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2021024211A Active JP7324239B2 (ja) | 2021-02-18 | 2021-02-18 | チップ型ヒューズ |
Country Status (6)
Country | Link |
---|---|
US (1) | US20220262729A1 (ja) |
JP (1) | JP7324239B2 (ja) |
KR (1) | KR20220118308A (ja) |
CN (1) | CN114975031A (ja) |
DE (1) | DE102022102325A1 (ja) |
TW (1) | TWI793983B (ja) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005093168A (ja) | 2003-09-16 | 2005-04-07 | Hiroshi Kobayashi | 短絡保護用のヒューズ並びにこのヒューズを用いた床暖房装置 |
JP2006244948A (ja) | 2005-03-07 | 2006-09-14 | Matsuo Electric Co Ltd | チップ型ヒューズの製造方法 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5166656A (en) | 1992-02-28 | 1992-11-24 | Avx Corporation | Thin film surface mount fuses |
-
2021
- 2021-02-18 JP JP2021024211A patent/JP7324239B2/ja active Active
-
2022
- 2022-01-18 US US17/648,232 patent/US20220262729A1/en active Pending
- 2022-01-20 TW TW111102373A patent/TWI793983B/zh active
- 2022-01-27 KR KR1020220011910A patent/KR20220118308A/ko not_active Application Discontinuation
- 2022-02-01 DE DE102022102325.7A patent/DE102022102325A1/de active Pending
- 2022-02-17 CN CN202210143817.9A patent/CN114975031A/zh active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005093168A (ja) | 2003-09-16 | 2005-04-07 | Hiroshi Kobayashi | 短絡保護用のヒューズ並びにこのヒューズを用いた床暖房装置 |
JP2006244948A (ja) | 2005-03-07 | 2006-09-14 | Matsuo Electric Co Ltd | チップ型ヒューズの製造方法 |
Also Published As
Publication number | Publication date |
---|---|
KR20220118308A (ko) | 2022-08-25 |
CN114975031A (zh) | 2022-08-30 |
TW202236338A (zh) | 2022-09-16 |
DE102022102325A1 (de) | 2022-08-18 |
US20220262729A1 (en) | 2022-08-18 |
JP2022126249A (ja) | 2022-08-30 |
TWI793983B (zh) | 2023-02-21 |
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